Home / 252,444.76-378,667.02-74,951.68

Finding the Fourth Proportional to 252,444.76, 378,667.02 and 74,951.68

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Solution

The fourth proportional to 252,444.76, 378,667.02 and 74,951.68 is: 112,427.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,444.76 : 378,667.02 = 74,951.68 : x
  2. Step 2: Convert to fraction form
    252,444.76/378,667.02 = 74,951.68/x
  3. Step 3: Cross multiply
    252,444.76x = 378,667.02 × 74,951.68
  4. Step 4: Simplify right side
    252,444.76x = 28,381,729,309.59
  5. Step 5: Solve for x
    x = 28,381,729,309.59/252,444.76
  6. Step 6: Final answer
    x = 112,427.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.